High current triggered spark gap
High frequency energy saving ballast
High intensity discharge lamp ignition system
High pressure sodium discharge lamp
High speed photography light source
High voltage d-c vacuum interrupter device with magnetic control
High voltage d-c vacuum interrupter device with magnetic control
High voltage protection resistor
High voltage switch
High voltage switch
High voltage switch tube
High-coulomb transfer switch
High-power low-voltage tetrode having a full walled matrix catho
High-pressure discharge lamp
Hollow cathode plasma switch with magnetic field
Hollow-electrode switch